Received Jun 3, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| CHIK | CHIKUNGUNYA (VIMKUNYA) | BAVARIAN NORDIC | 1 | Unknown | — |
The patient received Vimkunya vaccine instead chickenpox varicella vaccine; Case reference number US-BN-2026-000627 is a spontaneous case initially received from pharmacist via Bavarian Nordic (reference number: CASE-2026-000382) on 17-Apr-2026 and concerns a 50-year-old male patient. The patient's medical history and concomitant medication details were not provided. On 12-Apr-2026, the patient received Vimkunya vaccine instead chickenpox varicella vaccine along with its constituent parts: prefilled syringe (batch number unknown), at an unknown dose, site or route of administration for an unknown indication (explicitly coded as 'wrong vaccine administered'). At the time of the initial report, the patient did not experience any adverse events due to Vimkunya. No further information was provided.; Reporter's Comments: A spontaneous medication error case involving a 50 year old male who was incorrectly administered the Vimkunya vaccine instead of the intended varicella (chickenpox). Wrong product administered is expected as per company conventions. Batch numbers, dosage, route, indication, medical history, and concomitant medications were all unknown. It is unclear if any adverse events occurred following vaccination. Wrong product administered is not related to the suspect vaccine, but to a human factor. The case is non serious.; Sender's Comments: A spontaneous medication error case involving a 50 year old male who was incorrectly administered the Vimkunya vaccine instead of the intended varicella (chickenpox). Wrong product administered is expected as per company conventions. Batch numbers, dosage, route, indication, medical history, and concomitant medications were all unknown. It is unclear if any adverse events occurred following vaccination. Wrong product administered is not related to the suspect vaccine, but to a human factor. The case is non serious.
Comments: None.